PROBLEM TO BE SOLVED: To provide a composite BMI or BCI system capable of reflecting various states of a user and applying to a real life.SOLUTION: The present invention comprises: a brain wave acquisition part 110 for acquiring a brain wave of a user a brain wave analysis part 130 for analyzing the brain wave of the user acquired by the brain wave acquisition part 110 and an operation control part 140 for selectively operating plural operated devices, according to the analysis result acquired by the brain wave analysis part 130. Thereby, a user can turn on and off the system arbitrarily, and select and use the operation mode.SELECTED DRAWING: Figure 1